<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>翻转世界</title>
</head>

<body>
    <div id="app">
        <h1>{{iss?Texts:Textss}}</h1>
        <button @click="iss=!iss">逆转世界</button>
    </div>

</body>
<script src="./vue.js"></script>
<script>
    const app = new Vue({
        el: '#app',
        data: {
            Texts: 'Hello, World',
            Textss: 'dlroW, olleH',
            iss: true
        }
    })
</script>

</html>